🇧🇷 Portuguese grammar

Articles and Gender in Portuguese: A Clear Guide

The SPAIKING TeamJuly 28, 2026

In Portuguese, nouns have grammatical gender, which can be masculine or feminine. This affects the articles and adjectives used with these nouns. Understanding gender is essential for proper sentence construction.

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The rule

In Portuguese, every noun is assigned a gender, either masculine or feminine. The definite articles are 'o' for masculine nouns and 'a' for feminine nouns. The indefinite articles are 'um' for masculine nouns and 'uma' for feminine nouns. While there are patterns to help determine the gender of nouns, exceptions exist, so it's important to learn them as you encounter new words.

Articles and Gender at a glance

EndingGender
-oMasculine
-aFeminine
-çãoFeminine
-dadeFeminine
-mentoMasculine
-emaMasculine
-orMasculine
-istaCommon (depends on context)

Common patterns for guessing gender in Portuguese nouns

Examples you can say out loud

A casa é bonita.
The house is beautiful.
O carro é rápido.
The car is fast.
Uma mulher inteligente.
An intelligent woman.
Um homem forte.
A strong man.
A educação é importante.
Education is important.
Common mistake
Using 'o' instead of 'a' for feminine nouns, such as saying 'o casa' instead of 'a casa'.
Tip
Always learn the article with the noun to remember its gender.

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Frequently asked questions

How can I tell if a noun is masculine or feminine?

Look at the ending of the noun; many follow common patterns, but be aware of exceptions.